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Author Topic: K1 exhaust vs K4 exhaust  (Read 756 times)

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Offline beemerbum

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K1 exhaust vs K4 exhaust
« on: March 23, 2016, 06:14:19 PM »
I see reproduction 4 into 4 exhausts for the K4 at $1095. I also see K1 repro exhausts for $400 more. What is the diffrence? Don't they all mount up the same '69 thru '76?
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Offline ekpent

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Re: K1 exhaust vs K4 exhaust
« Reply #1 on: March 23, 2016, 07:15:54 PM »
The mount up the same. The HM300 K1 exhaust has a real baffle and less interior chambers and better flow and sound. The later HM341 for 72-76 have more interior chambers and just a diffusor cap on the end of the pipe with no baffle.
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